Through its technical partnership with the championship-winning Compass360 Racing team, engineers at Skunk2 have developed an all new cold air intake system for the 12-15 Honda Civic Si. The results are the best performing, best fitting intake system...

Skunk2 drew upon its experience and longstanding technical partnership with championship-winning Compass360 Racing when developing its all-new Cold-Air Intake for the '06-11 Civic Si. The results are the best performing, best fitting intake system...

Skunk2 is proud to introduce its Lost Motion Assembly Kits for Honda's B-series VTEC engines. Skunk2 Lost Motion Assemblies will fit any B-Series DOHC VTEC engine (Type-R/GSR B16A, B17A, B18C). The Skunk2 Lost Motion Assembly is an advance spring device...

Skunk2 Valve Keepers / Locks for Honda/Acura B/D/F/H VTEC and K Series VTEC Engines. Manufactured from bar stock and CNC machined for precision fit and finish. The Skunk2 Keeper / Locks are then heat-treated for ultimate strength and completed with Black...

Skunk2's high-quality Spring Bases for Honda's H-series VTEC engines are designed to allow any H-series VTEC cylinder head to accept Skunk2's higher-performance, Pro Series Valve Springs and Titanium Retainers originally designed for B-series engines...

Skunk2's high-quality Spring Bases for Honda's K-series engines are designed to allow any K-series cylinder head originally equipped with single valve springs to accept higher-performance, dual valve springs, like those from Skunk2. Each Spring Base is...

Skunk2 is proud to introduce its Pro Series XP (Extra Pressure) Racing Valve Spring Kits for the Honda K-series i-VTEC engines. Each kit includes Skunk2's high-quality race-proven dual valve springs that are the result of nearly two decades of racing and...

Skunk2 is proud to introduce its Pro Series XP (Extra Pressure) Racing Valve Spring Kits for the Honda B-series VTEC engines. Each kit includes Skunk2's high-quality race-proven dual valve springs that are the result of nearly two decades of racing and...

Manufactured exclusively from super-clean, chrome-silicone wire milled in Japan, Skunk2's Alpha Valve Springs for Honda/Acura K-series VTEC engines are a product of the company's years of racing and engine building experiences. By using inner and outer...

Manufactured exclusively from super-clean, chrome-silicone wire milled in Japan, Skunk2's Alpha Valve Springs for Honda's D-series VTEC engines are a product of the company's years of racing and engine building experiences. Alpha Valve Springs are able...

Alpha Series Valve Spring Set; Seat Pressure 68 Lbs At 1.320 in.; Open Pressure 210 Lbs At 0.820 in.; Coil Bind 0.800 in.; Set of 16;This Part...

Manufactured exclusively from super-clean, chrome-silicone wire milled in Japan, Skunk2's Alpha Valve Springs for Honda's D-series VTEC engines are a product of the company's years of racing and engine building experiences. Alpha Valve Springs are able...

Skunk2 Ultra Series valves are our premium line valves manufactured from HNV3 martensitic steel (IN) and EV8 austenitic steel (EX) one-piece forgings. These characteristics of the austenitic nickel based alloy enable high resistance to oxidation and...

Skunk2 Alpha Series valves are manufactured from HNV3 martensitic steel (IN) and EV8 austenitic steel (EX) one-piece forgings, each valve is heat-treated using a proprietary process for extraordinary strength and durability. Alpha Series Valves feature...

Skunk2 Alpha Series valves are manufactured from HNV3 martensitic steel (IN) and EV8 austenitic steel (EX) one-piece forgings, each valve is heat-treated using a proprietary process for extraordinary strength and durability. Alpha Series Valves feature...

Skunk2 Alpha Series valves are manufactured from HNV3 martensitic steel (IN) and EV8 austenitic steel (EX) one-piece forgings, each valve is heat-treated using a proprietary process for extraordinary strength and durability. Alpha Series Valves feature...

Skunk2 Alpha Series valves are manufactured from HNV3 martensitic steel (IN) and EV8 austenitic steel (EX) one-piece forgings, each valve is heat-treated using a proprietary process for extraordinary strength and durability. Alpha Series Valves feature...

Skunk2 is proud to introduce its 64mm Pro Series Throttle Body for the '99-'05 Mazda Miata in its exclusive, hard anodized finish. Skunk2's 64mm Pro Series Throttle Body is designed to be used with the OEM intake manifold for bolt-on horsepower and...

Skunk2 is proud to introduce its 64mm Pro Series Throttle Body for the '94-'97 Mazda Miata in its exclusive, hard anodized finish. Skunk2's 64mm Pro Series Throttle Body is designed to be used with the OEM intake manifold for bolt-on horsepower and...

Skunk2 is proud to introduce its 68mm Pro Series Throttle Body for the Evo VIII-IX in its exclusive Black Series, hard anodized finish. Skunk2's Pro Series Throttle Bodies are designed to be used with Mitsubishi's OEM intake tubing and intake manifold as...